Issue 11, 2011
From the journal:

Journal of Materials Chemistry

Synthesis and cathodoluminescence properties of CdSe/ZnO hierarchical nanostructures†

N. Koteeswara Reddy,a   M. Devika,a   Nava Shpaisman,a   Moshit Ben-Ishaia  and  Fernando Patolsky*a  

* Corresponding authors

a School of Chemistry, the Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, Israel
E-mail: fernando@post.tau.ac.il
Fax: +972 3 6409293
Tel: +972 3 6408327

Abstract

This report explores the controlled synthesis of ZnO branches on CdSe nanorod (NR) cores. ZnO nanohairs (NHs) grown on the hexagonal planes of CdSe NRs exhibit excellent stoichiometry between their constitute elements. After the growth of ZnO NH branches over the CdSe NRs a quantum confined (QC) cathodoluminescence (CL) UV peak is observed at ∼3.54 eV. From CL studies it is noticed that the dimensions and density of ZnO branches grown on CdSe NR cores have a strong influence on their emission properties. These observations suggest the potentiality of CdSe/ZnO hierarchical structures for future nanostructured optoelectronic device applications.

Graphical abstract: Synthesis and cathodoluminescence properties of CdSe/ZnO hierarchical nanostructures

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Article information

DOI
https://doi.org/10.1039/C0JM03495A
Article type
Paper
Submitted
15 Oct 2010
Accepted
20 Dec 2010
First published
28 Jan 2011

J. Mater. Chem., 2011,21, 3858-3864

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Synthesis and cathodoluminescence properties of CdSe/ZnO hierarchical nanostructures

N. K. Reddy, M. Devika, N. Shpaisman, M. Ben-Ishai and F. Patolsky, J. Mater. Chem., 2011, 21, 3858 DOI: 10.1039/C0JM03495A

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